gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//llvm/docs/AMDGPUUsage.rst",
    "//llvm/lib/CodeGen/RegisterPressure.cpp",
    "//llvm/test/Transforms/Inline/inline-switch-default-2.ll",
    "//mlir/include/mlir-c/Dialect/Transform/Interpreter.h",
    "//mlir/lib/Bindings/Python/TransformInterpreter.cpp",
    "//mlir/lib/CAPI/Dialect/TransformInterpreter.cpp",
    "//mlir/python/mlir/dialects/transform/interpreter/__init__.py",
    "//mlir/test/python/dialects/transform_interpreter.py"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}